The Maine State House is seen the background. (Joe Phelan/Staff Photographer)A national network of Democrats announced Thursday that it’s targeting 19 legislative races in Maine this fall to strengthen the party’s control of state government. The Democratic Legislative Campaign Committee is looking to flip 14 Republican-held seats in the Maine Senate and House of Representatives, including seven with Republican incumbents seeking reelection. AdvertisementThe state legislative races are being overshadowed by higher-profile national and state races. Most of the attention is focused on the U.S. Senate race between former Maine Senate President Troy Jackson and Republican U.S. Sen. Susan Collins — a priority race for national Democrats.